| South Portland to Lake Shore (Maryland) | 448.27 mi (721.43 km) |
| South Portland to Lake St. Louis (Missouri) | 1,113.56 mi (1,792.10 km) |
| South Portland to Lake Station (Indiana) | 873.12 mi (1,405.15 km) |
| South Portland to Lake Stevens (Washington) | 2,465.50 mi (3,967.84 km) |
| South Portland to Lake Stickney (Washington) | 2,474.84 mi (3,982.88 km) |
| South Portland to Lake Tapps (Washington) | 2,481.15 mi (3,993.03 km) |
| South Portland to Lake Wales (Florida) | 1,254.29 mi (2,018.58 km) |
| South Portland to Lake Wylie (South Carolina) | 822.62 mi (1,323.87 km) |
| South Portland to Lake Zurich (Illinois) | 904.29 mi (1,455.31 km) |
| South Portland to Lakeland (Florida) | 1,256.05 mi (2,021.42 km) |
| South Portland to Lakeland (Tennessee) | 1,183.50 mi (1,904.66 km) |
| South Portland to Lakeland Highlands (Florida) | 1,261.93 mi (2,030.88 km) |
| South Portland to Lakeland North (Washington) | 2,484.48 mi (3,998.38 km) |
| South Portland to Lakeland South (Washington) | 2,485.51 mi (4,000.04 km) |
| South Portland to Lakeland Village (California) | 2,595.71 mi (4,177.38 km) |
